The patch you've all been waiting for is here. Read the full patch notes at http://steamcommunity.com/app/221380/discussions/1/598198356184813511/.
Note that we're aware of an issue in which old local files, like scenarios and RMS scripts, are not relocating to the new locations. We're working on a fix for this issue, but in the meantime, you can get around this by manually relocating the files.